Pressure gauge ports are threaded connections on gas pressure regulators that allow installation of pressure monitoring instruments.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Leak Rate | <1x10^-6 std cc/sec helium | |
| Thread Size | 1/4", 1/8", 1/2" | |
| Thread Type | NPT, BSP, G, SAE | |
| Surface Finish | Ra 32 µin (0.8 µm) or better | |
| Pressure Rating | Up to 3000 psi (207 bar) | |
| Temperature Range | -40°F to 400°F (-40°C to 204°C) |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
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NPT (National Pipe Tapered) is most common in North America, while BSP (British Standard Pipe) dominates in Europe and Asia. SAE straight threads are used for high-pressure applications.
Yes, through drilling and tapping operations by qualified technicians, though original equipment ports are preferred for maintaining pressure integrity and warranty.
Use appropriate thread sealants (Teflon tape, liquid thread sealant) or sealing washers, ensure proper torque (typically 15-25 ft-lbs for 1/4" NPT), and verify thread compatibility.
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